The first special edition pen from FriXion®—one of America's top selling erasable pen brands. Innovative, patented Synergy tip delivers wonderfully detailed, incredibly smooth writing and excellent durability. Write smoothly and erase cleanly. Unique, thermo-sensitive gel ink formula disappears completely with erasing friction, so you can write, erase and rewrite repeatedly without damaging documents. Unique pocket clip doubles as the retract mechanism-simply press down the pocket clip to expose and retract the tip. Refillable.